"We've had several where they just didn't know where to start and we send up a team," he said.

"The first couple of hours they're thinking about what they're going to do but after that they just get into it and by the end of the day the farmer is smiling, the volunteer is smiling and the farmer normally rings back up and says, 'can I have them another day?'

"You just need a big heart and don't mind being in the sun for a little while in the daytime.

"The crew will teach you how to do it, it's not rocket science.

"You work with a group of people, you won't be on your own ever.

"We're very safety conscious, we send first aid kits, we have first aid personnel that know the basics, it doesn't matter whether you're 28 years old or 67 years old, they'll look after you."